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Allow client-side use of BodyExtractors#toFormData

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Issue: SPR-16804
This commit is contained in:
Rossen Stoyanchev
2018-05-16 10:41:50 -04:00
parent 020c6c0102
commit 4ff4d5a181
2 changed files with 22 additions and 21 deletions
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19
spring-webflux/src/main/java/org/springframework/web/reactive/function/BodyExtractors.java
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@@ -165,19 +165,22 @@ public abstract class BodyExtractors {
/**
* Return a {@code BodyExtractor} that reads form data into a {@link MultiValueMap}.
* <p>As of 5.1 this method can also be used on the client side to read form
* data from a server response (e.g. OAuth).
* @return a {@code BodyExtractor} that reads form data
*/
// Note that the returned BodyExtractor is parameterized to ServerHttpRequest, not
// ReactiveHttpInputMessage like other methods, since reading form data only typically happens on
// the server-side
public static BodyExtractor<Mono<MultiValueMap<String, String>>, ServerHttpRequest> toFormData() {
return (request, context) -> {
public static BodyExtractor<Mono<MultiValueMap<String, String>>, ReactiveHttpInputMessage> toFormData() {
return (message, context) -> {
ResolvableType type = FORM_MAP_TYPE;
HttpMessageReader<MultiValueMap<String, String>> reader =
messageReader(type, MediaType.APPLICATION_FORM_URLENCODED, context);
return context.serverResponse()
.map(response -> reader.readMono(type, type, request, response, context.hints()))
.orElseGet(() -> reader.readMono(type, request, context.hints()));
Optional<ServerHttpResponse> response = context.serverResponse();
if (response.isPresent() && message instanceof ServerHttpRequest) {
return reader.readMono(type, type, (ServerHttpRequest) message, response.get(), context.hints());
}
else {
return reader.readMono(type, message, context.hints());
}
};
}